DE102005035141A1 - Irradiation device - Google Patents

Irradiation device

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Publication number
DE102005035141A1
DE102005035141A1 DE200510035141 DE102005035141A DE102005035141A1 DE 102005035141 A1 DE102005035141 A1 DE 102005035141A1 DE 200510035141 DE200510035141 DE 200510035141 DE 102005035141 A DE102005035141 A DE 102005035141A DE 102005035141 A1 DE102005035141 A1 DE 102005035141A1
Authority
DE
Germany
Prior art keywords
therapy
beam
room
irradiation device
access
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE200510035141
Other languages
German (de)
Inventor
Georg Dr. Fehrenbacher
Torsten Radon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GSI HELMHOLTZZENTRUM FUER SCHWERIONENFORSCHUNG, DE
Original Assignee
GSI Gesellschaft fur Schwerionenforschung mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GSI Gesellschaft fur Schwerionenforschung mbH filed Critical GSI Gesellschaft fur Schwerionenforschung mbH
Priority to DE200510035141 priority Critical patent/DE102005035141A1/en
Publication of DE102005035141A1 publication Critical patent/DE102005035141A1/en
Application status is Ceased legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1077Beam delivery systems
    • A61N5/1079Sharing a beam by multiple treatment stations
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F3/00Shielding characterised by its physical form, e.g. granules, or shape of the material
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21FPROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00Shielded cells or rooms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1085X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
    • A61N2005/1087Ions; Protons
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1092Details
    • A61N2005/1094Shielding, protecting against radiation

Abstract

It becomes an irradiation device (1) for proton and / or ion beam therapy with a radiation source (3), a beam guiding device (5) and with at least one at least one treatment site (9) and an access (17) comprehensive therapy room (7) into which a therapy beam (13) is proposed. This is characterized by that the therapy room (7) arranged in a first plane (E1) is and that the therapy beam (13) from an above or below the first level lying second level (E2) in the therapy room (7) is introduced and directed to the treatment site (9), that the therapy beam (13) directed to the treatment site (9) directed away from the access (17) that in the therapy room (7) a the entry area (E) of the therapy beam (13) in the therapy room (7) associated shield (33) is provided that the access (17) on the side of the shield facing away from the treatment site (9) (33) is arranged and that laterally offset from the in the therapy room (7) extending therapy beam (13) and the shield (33) at least a labyrinth (L) leading from the access (17) to the treatment site (9) is provided is.

Description

  • The The invention relates to an irradiation device for proton and / or ion beam therapy according to the generic term of claim 1. Such also referred to as therapy facilities Facilities are known, they usually have one on the Base of a cyclotron or synchrotron realized radiation source with a beam guiding device and at least one therapy room into which a therapy beam is initiated. This is directed to a treatment location to which a patient to be treated can be placed.
  • at the acceleration of and use of radiation during the Patient irradiation becomes secondary radiation generated. When braking ions are considered in the here to be considered Energy range up to several 100 MeV per nucleon in nuclear reactions (Spallation reactions or fragmentation of the projectile or target nuclei) Neutrons, protons, light ions and gamma rays generated. The Shielding the secondary radiation is essentially dominated by the produced neutron radiation.
  • It is known to be the largest part an accelerated therapy beam is deposited in the tissue and there one - in Direction of the therapy beam seen - strongly forward Cones generated by neutron radiation. Most of the generated Neutrons leave the patient without interaction. Because the neutron radiation can have very high energies and the tenth value layer thickness for high energy Neutron radiation e.g. in normal concrete is one meter, is straight forward the incident therapy beam a significant shielding necessary.
  • The Structural radiation protection design must meet this radiation physics and geometric constraints.
  • at the planning of treatment centers, in particular clinics for particle therapy, in which irradiation facilities of the type mentioned here used be, often occurs the problem on having this facility in an existing infrastructure near or within a larger treatment center has to be built. Particle therapy facilities with cyclotrons and synchrotrons have due to the elaborate Accelerator technology and the associated beam guiding devices a big Space requirements. To provide the therapy beams often requires a branched Systems of beam guides, to supply the beams of the radiation source treatment rooms. Thereby is the access to these rooms often limited. Often leaves it can not be avoided that access to a therapy room in the Range of neutron radiation of the therapy unit is arranged, so often heavy shield doors need to be installed on the one hand increase the space requirement, on the other hand, the access to Delay patients.
  • task The invention therefore is to provide an irradiation device, which avoids the disadvantages mentioned here.
  • to solution This object is achieved by an irradiation device for the proton and / or ion beam therapy with a radiation source proposed, having the features mentioned in claim 1. It includes one Beam guiding device and at least one provided with a treatment location and an access Therapy room in which a therapy beam for the treatment of a patient one is headed. The irradiation device is characterized from that different levels are provided. Here is the therapy room arranged in a first level. The therapy beam will be from a above or below this level lying second level in the Therapy room initiated and directed to the treatment site, that the therapy beam is directed away from the entrance. As a result of that Parts of the irradiation device arranged on different levels space requirements can be significantly reduced. In addition, can the beam guiding device be moved out of the plane in which the therapy room arranged is. This allows access to the therapy room independently of the beam guide chosen become. In the irradiation device according to the invention It is envisaged that in the therapy room open to the treatment Shielding is provided. This protects the other areas of the Therapy room before the radiation. The access to the therapy room will be arranged on the side facing away from the treatment of the shield, so that laterally offset to the treatment beam running in the therapy room and for shielding at least one of access to the treatment site leader Maze can be provided. This maze is made by the Therapy beam not hit. Also the neutron radiation, the bright down from the place of treatment, the labyrinth does not hit. Access to the therapy room so can be reflected only through the maze before Beams are protected, in particular can heavy shield doors omitted. This results in a simple and quick access to the Treatment site.
  • Due to the fact that the neutron radiation generated in the treatment room in the area of the treatment site does not have the access and the labyrinth between access and treatment site, as in the therapy room according to the DE 102 35 116 A1 If this is the case, the shielding effort can be reduced. This reduces the space requirement of the irradiation device.
  • at a preferred embodiment of Irradiation device is provided that between the access and the treatment site on both sides of the shield a labyrinth is provided. One of them can be used as access and the other be used as an outlet, allowing the use of the therapy room can be optimized: The removal of patients from the therapy room does not hinder access, allowing a quick change of patient possible is.
  • One Another preferred embodiment The irradiation device is characterized in that spaces that the pre- and post-treatment of patients or for the stay arranged by other persons also on the first level could be, in which the therapy room is located. This allows an optimization of the Procedure for therapy preparation (computed tomography, X-ray for Position verification, etc.) and to carry out the therapy.
  • One another embodiment The irradiation device is characterized in that the Although the therapy beam entering the therapy room reaches the treatment site, but not on the mentioned rooms is directed. These are therefore not by the therapy beam and the neutron radiation produced in the treatment charged. It does not even require a special shielding between the entrance area and the mentioned rooms, because the therapy room can be arranged so that the neutron radiation, for example is directed to the soil, where a burden on patients, treatment staff and avoided by people who operate the irradiation facility and wait.
  • at a further preferred embodiment the irradiation device is provided that the radiation source is arranged in a third level. Due to the fact that the irradiation device is spread over several levels, and that here is another level open will, can the individual elements such as radiation source, beam guiding device and therapy rooms almost on top of each other nested to minimize space requirements. It remains provided that the directed to the treatment site beam of the rooms is directed away, in which patients and other people themselves can stop.
  • Further Embodiments emerge from the remaining subclaims.
  • The The invention is explained in more detail below with reference to a drawing. It demonstrate:
  • 1 a schematic diagram of an irradiation device in longitudinal section;
  • 2 a top view of the in 2 illustrated irradiation device,
  • 3 a first embodiment of a therapy room in plan view;
  • 4 a second embodiment of a therapy room in plan view;
  • 5 a number of therapy rooms according to 3 in an arcuate arrangement;
  • 6 a number of therapy rooms according to 4 in an arcuate arrangement;
  • 7 a number of therapy rooms according to 4 in parallel arrangement and
  • 8th a number of therapy rooms according to 4 in a mirror image arrangement.
  • The schematic diagram according to 1 is an irradiation device 1 to take that a radiation source 3 , a beam guiding device 5 and a therapy room 7 with a treatment location 9 includes, on which a patient 11 a therapy beam 13 is suspendable. The schematic diagram shows that the therapy room 7 is located on a first level E1, while the beam guiding device 5 on a second level E2 and the radiation source 3 are arranged on a third plane E3, wherein the planes E2 and E3 are arranged here below the first plane E1. But it is very well conceivable that the beam guiding device 5 and the therapy room 7 below the radiation source 3 can be arranged.
  • Next to the therapy room 7 is a room 15 indicated, which can serve the patient preparation, and in which are operating personnel for the irradiation device 1 can stop.
  • The illustration shows that the radiation source 3 , the beam guiding device 5 and the therapy room 7 , as well as more of the irradiation device 1 assigned rooms, here the room 15 can be arranged one above the other, which leads to a significant space savings. Moreover, it turns out that the beam guiding device 5 here below the therapy room 7 is arranged and thus access to the therapy room 7 in no way disturbs. At the irradiation facility 1 ge Mäss 1 is provided that access 17 in the transition area between the room 15 and the therapy room 7 located.
  • Because of the therapy beam 13 the therapy room 7 from left to right goes through, the access becomes 17 in no case from the therapy beam 13 affected. Also beyond the treatment site 9 given neutron radiation 19 does not apply to access 17 , Rather, it gets into the therapy room 7 subsequent soil 21 directed, which also above the therapy room 7 is provided. So it becomes clear that - in the direction of the therapy beam 13 seen - beyond the treatment site 9 no special shielding is to be provided because, as I said, the neutron radiation 19 in the soil 21 is discharged and thus not to the room 15 can reach the - in the direction of the therapy beam 13 seen - on the opposite side of the therapy room 7 to the treatment site 9 is arranged.
  • The figure also clearly shows that access 17 neither with the therapy beam 13 still with the neutron radiation 19 is charged.
  • The side view can be seen that the beam guiding device 5 is formed so that a partial beam T of the radiation source 3 from below through the floor B of the therapy room 7 initiated and deflected there so that it is parallel to the ground B, ie horizontally in the direction of the treatment site 9 runs.
  • The deflection of the partial beam T can also be chosen so that this at an angle in the therapy room 7 enters, or in such a way that it is within the therapy room 7 is deflected so that it is not parallel to the ground B but at an angle to this. Thus, the therapy beam runs 13 also in the treatment center 9 at an angle to the ground B.
  • It turns out that the irradiation device 1 can also be configured variably in this aspect. It is also possible that the therapy beam 13 at an angle through the ceiling the therapy room 7 enters or is deflected in such a way that it is not parallel to the ground B but obliquely from above to the treatment site 9 meets. This radiation profile has the advantage that the therapy beam 13 and the neutron radiation 19 from above into the earth area 21 be directed so that optimal absorption is ensured. With a radiation direction obliquely upwards would have to be ensured that the soil 21 over the therapy room 7 is thick enough or that there is additionally provided a shield.
  • The fact that here also the possibility is created, the partial beam T and in particular the therapy beam 13 at an angle to the place of treatment 9 In some cases gantry can be dispensed with.
  • The illustration also shows that the entrance area E of the partial beam T into the therapy room 7 at a distance to the entrance 17 in the therapy room 7 and at a distance to the irradiation site 9 lies. It becomes particularly clear that the area between the entrance 17 and the entry area E is free, because the beam guiding device 5 is arranged below the bottom B.
  • In 1 is implied that the room 15 Part of a treatment center, research center or clinic 23 can be.
  • Also above the therapy room 7 is soil 21 , By the arrangement below the earth level 25 can also be shielded by concrete and other materials above the therapy room 7 be reduced to a minimum.
  • Overall, high Abschirmmassen within the irradiation device 1 and the clinic 23 be avoided because natural shielding materials, namely soil 21 , can be used, which reduces additional costs in the device, but also in the dismantling.
  • Overall, there are the following advantages:
    By the arrangement of the elements of the irradiation device 1 For example, at different levels E1, E2 and E3 it is possible to use the beam guiding device 5 in a different level than the therapy room 7 provide access so that access 17 to this and rooms 15 related to the use of the therapy room 7 are necessary, can be arranged optimally, and the process for therapy preparation and for performing the therapy is undisturbed. In addition, the structural radiation protection for the radiation source 3 , the beam guiding device 5 and for the therapy room 7 guaranteed. Shielding materials are used very efficiently. In particular, expensive materials such as concrete and the like can be replaced by soil. In addition, the individual elements of the irradiation device 1 arranged compactly and the use of space optimized. Incidentally, the connection to existing treatment and research centers, in particular clinics is possible without it there would be additional radiation exposure by therapy beams or neutron radiation.
  • 2 shows the in 1 reproduced irradiation device 1 in plan view. More clear The radiation source is recognizable here 3 which comprises a pre-accelerator V, also called LINAC, and a synchrotron S. The radiation source 3 is in the lowest level E3.
  • Above this level, the beam guiding device is located in the plane E2 5 with several beam branches 27 . 29 and 31 , Above level E2 there are four indicated therapy rooms 7.1 . 7.2 . 3.7 and 4.7 ,
  • From the illustration according to 2 it becomes clear that, from the radiation source 3 seen from beyond the beam branches 27 . 29 and 31 Sub-beams T are given to the individual therapy rooms 7.1 to 4.7 be forwarded.
  • Since the therapy rooms are designed identically here, in the following only a therapy room 7 described. The further explanations are based on the in 2 on the far right shown therapy room 7.1 respectively.
  • Access 17 to the therapy room 7 is oriented so that it points in the direction of the sub-beam T, wherein from the explanations to 1 it is clear that the partial beam T below the bottom B of a therapy room 7 runs and only in the entrance area E - here from below - in the therapy room 7 entry. It will be readily apparent that such a beam introduction into a therapy room can also be made from above.
  • In the illustration according to 2 is the isocenter at the treatment site 9 indicated by a dot. On this is the entry area E in the therapy room 7 entering therapy beam 13 directed. Beyond the treatment site 9 given neutron radiation 19 is from access 17 directed away and enters the therapy room 7 surrounding soil 21 one. It is also clear here that the access 17 neither through the therapy beam 13 still by the neutron radiation 19 is charged.
  • The entry area E is from one towards the treatment site 9 open, quasi U-shaped shield 33 surround. From access 17 towards the treatment site 9 Seen, located next to the shield 33 at least one labyrinth L. In the in 2 illustrated embodiment are right and left of the shield 33 one labyrinth each L is provided, one of which is used as access and the other as an output to optimize the treatment process.
  • 3 shows one 2 apparent therapy room 7 in an enlarged view. The same parts are provided with the same reference numerals, so that reference is made to the preceding description.
  • The therapy room 7 is from a conventional shielding wall 35 surrounded, for example, by a one meter thick concrete wall. The thickness of the wall 35 can be adapted to the different use cases; as well as the shielding material. So it is for example from the DE 103 12 271 A1 known to use plaster for shielding. Outside the therapy room 7 there is soil 21 ,
  • In the presentation according to 3 is the access on the left 17 the therapy room 7 given. Inside it is at a distance to the entrance 17 the entry area E of the in the 1 and 2 to see sub-beam T shown. This is from a practically in the middle of the therapy room 7 located shielding 33 surround. From the beam tube shown here 37 with the usual deflection and scanning components enters the therapy beam 13 out. He is on the treatment site 9 directed, on which a couch for a patient is provided here. By a double arrow 39 is indicated that the couch can be swiveled.
  • From the jet pipe 37 and out of the direction of the treatment site 9 open shield 33 occurs the therapy beam 13 and hits the treatment site 9 , Beyond the treatment site 9 given neutron radiation 19 is from access 17 directed away and steps through the wall 35 in the soil 21 one.
  • At the in 3 illustrated embodiment is left and right of the shield 33 - in the direction of the therapy beam 13 Seen - each provided a labyrinth L, which serves, from the treatment place Be 9 intercept reflected radiation. This makes it possible to access 17 without realizing a heavy shielding door, allowing accessibility to the treatment site 9 relieved and accelerated.
  • In the embodiment shown here is still provided that the shield 33 in their place of treatment 9 opposite area, which is also to access 17 has a shield reinforcement 41 preferably made of iron.
  • The left and right of the entrance area E and the shield 33 lying labyrinths L within the therapy room 7 get through here on the inside of the wall 35 and on the outside of the shield 33 provided stages 43 and 45 realized. It is also conceivable, however, to provide projecting wall sections here in the course of the labyrinth L.
  • From the top view 3 it can be seen that the therapy room 7 is formed symmetrically, wherein the shield 33 the entrance area E surrounds symmetrically.
  • 4 shows a modified embodiment of a therapy room 7 , The same parts are provided with the same reference numbers. In this respect, reference is made to avoid repetition to the preceding description.
  • It becomes clear that the second embodiment of the therapy room 7 is formed asymmetrically. The basic structure is identical:
    The therapy room 7 is from a wall 35 surrounded, which may consist of conventional shielding concrete or the like. Outside the therapy room 7 is soil 21 , Left in 4 is the access 17 to the therapy room 7 to see. At a distance from this is the entrance area E, in which a partial beam T, as in the 1 and 2 was explained through the floor of the therapy room 7 in whose interior occurs. He is through a standard beam pipe 37 towards the treatment site 9 directed, with the therapy beam 13 from the jet pipe 37 Seen from the right exit, so that the access 17 is not charged in any way. In the area of the treatment site 9 resulting neutron radiation 19 enters the wall 35 into the ground 21 , so that it can be dispensed with a particularly strong shielding by concrete or the like.
  • The entry area E is through to the treatment site 9 open shield 33 surrounded, above the shield, a labyrinth L is created, here in the course of the labyrinth protruding wall sections 47 having. It would also be conceivable here, however, to provide stages, as is shown by 3 was explained.
  • The therapy room 7 is very compact, because on a below the shield 33 located labyrinth and part of the shield through a portion of the wall 35 is formed.
  • Also at the in 4 illustrated embodiment thus occurs the therapy beam 13 through the floor into the therapy room 7 one. In principle, an introduction through the ceiling would be possible. Beam guiding devices, as they are based on 1 and 2 have been explained, are thus below or above the therapy room 7 and therefore interfere with access 17 not, neither from the therapy beam 13 still from the neutron radiation 19 is affected. In the area of the treatment site 9 resulting stray radiation is intercepted by the labyrinth L so effectively that on heavy shield doors in the area of access 17 can be waived.
  • Based on 5 to 8th Different arrangements of therapy rooms will be explained.
  • 5 shows a number of symmetrically constructed therapy rooms 7 as they are in the 2 and 3 already explained. They are all identical and have symmetrical to the central axis of the therapy room 7 arranged labyrinth L on which a connection between the access 17 and the treatment site 9 create and right and left at the shield 33 lead past.
  • In all cases was on the representation of the jet pipe 37 omitted, because here it is only on the arrangement of the therapy rooms 7 arrives. These are placed as close as possible to each other, so that there are virtually touch points and common wall areas. The accesses 17 all therapy rooms 7 lead to a room 15 , which is used for the preparation and care of patients and also X-ray areas 49 and storage rooms for patients, as well as switching rooms 51 for medical technical assistants, the irradiation facility 1 , in particular the individual therapy rooms 7 assigned devices, operate and monitor. The X-ray areas 49 serve in particular the position verification of patients. Here it is expressly pointed out that X-ray diagnostics for position verification also in the therapy rooms 7 is feasible.
  • The therapy rooms 7 are according to 5 Arced to the common space 15 to be able to make optimum use of it, and the total space required for the therapy rooms 7 to a minimum. These are, as indicated by a line, also of soil here 21 surrounded so that downstream from the treatment site 9 given neutron radiation 19 from soil 21 intercepted and can be dispensed expensive shielding this.
  • 6 shows another embodiment of an array of therapy rooms 7 , There are here therapy rooms arranged arcuately, as they are based on 4 were explained. So here it is, unlike in 5 , asymmetric treatment rooms arranged arcuately, their entrances to a common space 15 in which patients are subject to care and storage. In addition, also here X-ray areas 49 are provided and not reproduced in detail here switching rooms for operating the irradiation device 1 and for the treatment of patients in the therapy rooms 7 ,
  • Also in the embodiment shown here, as in 2 and 5 that the rapieräume 7 arranged so that the therapy beams 13 and neutron radiation 19 are directed to the outside and on the therapy rooms 7 surrounding soil 21 to meet. The space 15 is neither through the therapy beam 13 The individual therapy rooms are still covered by neutron radiation in the area of the treatment areas 9 can arise, burdened.
  • 7 finally shows an irradiation device 1 with a number of therapy rooms 7 as they are based on 4 were explained. So these are asymmetric therapy rooms 7 with only one labyrinth L.
  • From the illustration according to 7 is how out 4 seen that in the area of the treatment site 9 a bulge is given, but by the way the therapy rooms 7 have mutually parallel side walls. In the presentation according to 7 are the therapy rooms 7 arranged parallel to each other and offset in the longitudinal direction to each other, so that the parallel wall areas of two adjacent therapy rooms each lie against each other and thus a minimal space requirement is given.
  • The accesses 17 the therapy rooms 7 lead to a room here too 15 , the X-ray areas 49 or may include switch rooms not shown in detail here.
  • Again, the arrangement and orientation of the therapy rooms 7 so chosen that the therapy rays 13 and neutron radiation 19 from the room 15 is directed away from the soil surrounding the therapy rooms 21 is shielded.
  • Here, too, the therapy beams 13 and the neutron radiation 19 the access 17 Do not burden, can be dispensed with shield doors, allowing easier and faster access to the treatment sites 9 is possible. However, in the asymmetric therapy rooms 7 assume that the labyrinth L can only be used alternately as an input or output.
  • In 8th Finally, an embodiment is shown, in which four therapy rooms 7 an irradiation device 1 are shown. These are mirror images of an imaginary center plane M arranged, with the treatment rooms are formed mirror images of right and left of the median plane M: In the right of the median plane M lying therapy rooms, the labyrinth L is left of the shield 33 of the entry area E, at the left of the median plane M lying therapy rooms to the right. The accesses 17 The therapy rooms in turn lead to a common room 15 in which patients can be pre- and post-treated. Again, there are x-ray areas 49 to recognize. It can also switch rooms here 51 are provided, which are not shown here.
  • Also here are the therapy rooms 7 compactly arranged close together, each ensuring that the therapy beams 13 and the neutron radiation 19 the accesses 17 and the common room 15 not meet. Rather, the neutron radiation 19 each directed to the outside and is from the the therapy rooms 7 surrounding soil 21 intercepted.
  • Overall, it turns out that the irradiation facility 1 different therapy rooms 7 may be arranged in different ways to each other. Symmetrically structured therapy rooms with two labyrinths and asymmetrically structured treatment rooms, each with a labyrinth, can be used. It is also possible - as needed - to combine symmetrical and asymmetrical therapy rooms to ensure optimum space utilization. In any case, it is guaranteed that at least the therapy rooms 7 and the beam guiding devices 5 are arranged at different levels, so the entrances 17 to the therapy rooms 7 can be optimally arranged. The beams are each at a distance to the boundary walls of a therapy room 7 initiated in its interior, so that each within the therapy rooms 7 an entrance area E through its own shielding 33 can be surrounded and access 17 in front of the therapy beam 13 and the neutron radiation 19 is protected.
  • Overall, it turns out that the irradiation facility 1 is very compact and that the distribution of therapy room 7 , Radiation source 3 and / or beam guiding device 5 at different levels, as it were a nesting of the elements of the irradiation device 1 allowed, which leads to a very compact design. In addition, the therapy rooms 7 the irradiation device 1 designed so that the beam does not pass through a side wall of the therapy room 7 but through the floor B or the ceiling of the same into the interior and introduced to the treatment 9 can be directed. This makes it possible to access 17 so that this neither by the therapy beam 13 still by neutron radiation 19 is loaded and a labyrinth L between the access 17 and the treatment site 9 can be created. This can be symmetrical to the entrance area E of the beam in the therapy room 7 be formed and have an inlet and an outlet. The therapy rooms become even more compact if only a single labyrinth L is provided, which serves as an entrance as well as an exit.
  • Because of the therapy beams 13 and in particular the neutron radiation 19 from access 17 and from the entrance upstream rooms 15 is directed away, the irradiation device 1 close to a treatment or research center and to a clinic 23 be established. This eliminates expensive shielding measures, because the therapy beam 13 and the neutron radiation 19 in the therapy room 7 surrounding soil 21 penetrate and be intercepted by this.
  • Such trained therapy rooms 7 can be arranged close to each other arcuate or parallel to each other, with a staggered juxtaposition of therapy rooms 7 is possible. This also allows multiple therapy rooms 7 a common room 15 be allocated, which further optimizes the use of space.
  • Especially from the 7 and 8th It is clear that in the arrangement of therapy rooms shown here, wall sections can be made thinner or completely dispensed with in order to save shielding material and space. This applies in particular in the areas in which wall sections of adjacent therapy rooms are adjacent to one another. This often results in a wall thickness that exceeds the thickness required for the desired shielding.

Claims (11)

  1. Irradiation device ( 1 ) for proton and / or ion beam therapy with a radiation source ( 3 ), a beam guiding device ( 5 ) and at least one, at least one treatment site ( 9 ) and an access ( 17 ) comprehensive therapy room ( 7 ) into which a therapy beam ( 13 ), characterized in that the therapy room ( 7 ) is arranged in a first plane (E1) and that the therapy beam ( 13 ) from a second level (E2) lying above or below the first level into the therapy room ( 7 ) and to the treatment site ( 9 ) is directed so that the on the treatment ( 9 ) directed therapy beam ( 13 ) of access ( 17 ) is directed away, that in the therapy room a the entrance area (E) of the therapy beam ( 13 ) in the therapy room ( 7 ) associated shield ( 33 ), that the access ( 17 ) on the treatment site ( 9 ) facing away from the shield ( 33 ) is arranged, and that laterally offset from the in the therapy room ( 7 ) running therapy beam ( 13 ) and for shielding ( 33 ) at least one of the access ( 17 ) to the treatment site ( 9 ) leading labyrinth (L) is provided.
  2. Irradiation device according to claim 1, characterized in that between access ( 17 ) and treatment location ( 9 ) on both sides of the shield ( 33 ) a labyrinth (L) is provided.
  3. Irradiation device according to claim 1 or 2, characterized in that at least one space ( 15 ) for pre- and post-treatment at the treatment site ( 9 ) and for other persons at the first level (E1).
  4. Irradiation device according to claim 3, characterized in that the from the inlet area (E) on the treatment site ( 9 ) directed therapy beam ( 13 ) of the at least one room ( 15 ) is directed away.
  5. Irradiation device according to one of the preceding claims, characterized in that the therapy beam ( 13 ) at an angle on the treatment site ( 9 ).
  6. Irradiation device according to one of claims 1 to 4, characterized in that the therapy beam ( 13 ) parallel to the floor (B) of the therapy room ( 7 ) runs.
  7. Irradiation device according to one of the preceding claims, characterized in that the radiation source ( 3 ) is arranged in a third plane (E3).
  8. Irradiation device according to one of the preceding claims, characterized in that a plurality of therapy rooms ( 7.1 . 7.2 . 3.7 . 4.7 ) are arranged arcuately to each other.
  9. Irradiation device according to one of the preceding claims, characterized in that a plurality of therapy rooms ( 7 ) are arranged parallel to each other.
  10. Irradiation device according to claim 9, characterized characterized in that the therapy rooms arranged offset from each other are.
  11. Irradiation device according to one of the preceding Claims, characterized in that the therapy rooms to an imaginary center plane (M) are arranged mirrored and / or formed.
DE200510035141 2005-07-22 2005-07-22 Irradiation device Ceased DE102005035141A1 (en)

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